POST UTME DELSU 2024 Physics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A gas occupies a volume of 2.5 L at a pressure of 1.5 atm. If the temperature is increased to 300 K, what is the new volume of the gas?
A. 3.0 L
B. 3.5 L
C. 4.0 L
D. 4.5 L
Question 2
A beam of light is incident on a prism at an angle of 30°. If the angle of re\fraction is 20°, what is the angle of deviation?
A. 10°
B. 20°
C. 30°
D. 40°
Question 3
A circuit consists of a 2 Ω resistor and a 4 Ω resistor connected in series. What is the equivalent resis\tance of the circuit?
A. 6 Ω
B. 3 Ω
C. 4 Ω
D. 2 Ω
Question 4
A particle of mass 2 kg is moving in a circular path with a radius of 3 m. If the particle's speed is 4 m/s, what is its kinetic energy?
A. 10 J
B. 20 J
C. 30 J
D. 40 J
Question 5
A 10 μF capacitor is charged to a potential difference of 12 V. What is the energy stored in the capacitor?
A. 144 μJ
B. 1440 μJ
C. 14.4 μJ
D. 1.44 μJ
Question 6
A block of mass 5 kg is placed on a frictionless surface and connected to a horizontal spring with a force cons\tant of 200 N/m. If the block is displaced by 0.2 m from its equilibrium position and released from rest, what is the maximum speed of the block?
A. 2 m/s
B. 4 m/s
C. 6 m/s
D. 8 m/s
Question 7
A block of mass $m$ is attached to a horizontal, massless spring with a spring cons\tant $k$. If the block is displaced by a dis\tance $x$ from its equilibrium position and released from rest, what is the maximum speed $v_{max}$ of the block as a function of $x$?
A. \sqrt{\frac{kx^2}{m}}
B. \sqrt{\frac{kx}{m}}
C. \sqrt{\frac{mx^2}{k}}
D. \sqrt{\frac{mx}{k}}
Question 8
A body of mass 5 kg is moving with a velocity of 10 m/s. What is its kinetic energy?
A. 250 J
B. 500 J
C. 750 J
D. 1000 J
Question 9
A block of mass 2 kg is placed on a horizontal, frictionless surface. A horizontal force of 10 N is applied to the block. Calculate the acceleration of the block.
A. 2 m/s^2
B. 4 m/s^2
C. 5 m/s^2
D. 6 m/s^2
Question 10
A particle of mass $m$ is moving in a circular path of radius $r$ with a cons\tant speed $v$. If the particle experiences a centripetal force $F_c = \frac{mv^2}{r}$, what is the kinetic energy of the particle?
A. \frac{1}{2}mv^2
B. \frac{1}{2}m^2v^2
C. \frac{1}{2}mv^4
D. \frac{1}{2}mv^6
Question 11
A particle of mass 2 kg is projected from the origin with an initial velocity of 10 m/s at an angle of 60° to the horizontal. Assuming the acceleration due to gravity is 9.8 m/s², calculate the time taken for the particle to reach its maximum height.
A. 1.5 s
B. 2.0 s
C. 2.5 s
D. 3.0 s
Question 12
A parallel plate capacitor has a capaci\tance of 10 μF and is charged to a potential difference of 12 V. If the dis\tance between the plates is doubled, what is the new capaci\tance?
A. 5 μF
B. 10 μF
C. 20 μF
D. 40 μF
Question 13
A radioactive sample has a half-life of 5 years. If the initial activity of the sample is 100 Bq, what is its activity after 10 years?
A. 10 Bq
B. 20 Bq
C. 50 Bq
D. 100 Bq
Question 14
A wave of wavelength 5 m and frequency 2 Hz is traveling through a medium with speed 10 m/s. What is the amplitude of the wave?
A. 2 m
B. 5 m
C. 8 m
D. 10 m
Question 15
A particle of mass $m$ is moving in a straight line with a velocity $v$. If the particle experiences a force $F = kv$, where $k$ is a cons\tant, what is the work done by this force as the particle moves through a dis\tance $x$?
A. \frac{1}{2}kx^2
B. \frac{1}{2}mv^2
C. kx^2
D. -\frac{1}{2}kx^2

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